Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673447 | Method for supporting a metal strip under static gas pressure | Kango Sakai | 1987-06-16 |
| 4310403 | Apparatus for electrolytically treating a metal strip | Hajime Nitto, Kango Sakai, Katusi Saito | 1982-01-12 |